1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
/*
* c_microstrip.h - coupled microstrip class definition
*
* Copyright (C) 2002 Claudio Girardi <in3otd@qsl.net>
* Copyright (C) 2005 Stefan Jahn <stefan@lkcc.org>
* Modifications for Kicad: 2015 Jean-Pierre Charras
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this package; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef _C_MICROSTRIP_H_
#define _C_MICROSTRIP_H_
#include "transline/microstrip.h"
#include "transline/transline.h"
class C_MICROSTRIP : public TRANSLINE
{
public:
C_MICROSTRIP();
~C_MICROSTRIP();
private:
double h; // height of substrate
double ht; // height to the top of box
double t; // thickness of top metal
double rough; // Roughness of top metal
double w; // width of lines
double w_t_e; // even-mode thickness-corrected line width
double w_t_o; // odd-mode thickness-corrected line width
double l; // length of lines
double s; // spacing of lines
double Z0_e_0; // static even-mode impedance
double Z0_o_0; // static odd-mode impedance
double Zdiff; // differential impedance
double Z0e; // even-mode impedance
double Z0o; // odd-mode impedance
double c_e; // even-mode capacitance
double c_o; // odd-mode capacitance
double ang_l_e; // even-mode electrical length in angle
double ang_l_o; // odd-mode electrical length in angle
double er_eff_e; // even-mode effective dielectric constant
double er_eff_o; // odd-mode effective dielectric constant
double prop_delay_e; // even-mode unit propagation delay (ps/cm)
double prop_delay_o; // odd-mode unit propagation delay (ps/cm)
double er_eff_e_0; // static even-mode effective dielectric constant
double er_eff_o_0; // static odd-mode effective dielectric constant
double w_eff; // Effective width of line
double atten_dielectric_e; // even-mode dielectric losses (dB)
double atten_cond_e; // even-mode conductors losses (dB)
double atten_dielectric_o; // odd-mode dielectric losses (dB)
double atten_cond_o; // odd-mode conductors losses (dB)
private:
double delta_u_thickness_single( double, double );
void delta_u_thickness();
void compute_single_line();
double filling_factor_even( double, double, double );
double filling_factor_odd( double, double, double );
double delta_q_cover_even( double );
double delta_q_cover_odd( double );
void er_eff_static();
double delta_Z0_even_cover( double, double, double );
double delta_Z0_odd_cover( double, double, double );
void Z0_even_odd();
void er_eff_freq();
void conductor_losses();
void dielectric_losses();
void attenuation();
void line_angle();
void diff_impedance();
void syn_err_fun( double*, double*, double, double, double, double, double );
void synth_width();
void Z0_dispersion();
void calcAnalyze() override;
void calcSynthesize() override;
void showAnalyze() override;
void showSynthesize() override;
void show_results() override;
void syn_fun( double*, double*, double, double, double, double );
private:
MICROSTRIP* aux_ms;
};
#endif // _C_MICROSTRIP_H_
|
